Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1990-04-26
1991-03-05
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
182136, 108152, A45F 326, A47C 910, A01M 3102
Patent
active
049970631
ABSTRACT:
A tree stand having a weight bearing platform and a gripping frame hingedly joined thereto utilizes a pair of variable length suspension braces connecting the outer end of the platform to the gripping frame. By varying the length of the braces the platform is leveled while positioned on the tree. The hinged construction also allows for easy folding of the stand for storage and transportation.
REFERENCES:
patent: 4161233 (1979-07-01), Wirtz
patent: 4337844 (1982-07-01), Hice
patent: 4549633 (1985-10-01), Merritt
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